package cn.wolfcode.mq;

import cn.wolfcode.service.IOrderInfoService;
import cn.wolfcode.web.msg.SeckillCodeMsg;
import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

//消费 ORDER_PEDDING_TOPIC 的消息
@Component
@Slf4j
@RocketMQMessageListener(
        consumerGroup = "MQCreateOrderListener",
        topic = MQConstant.ORDER_PEDDING_TOPIC
)
public class MQCreateOrderListener implements RocketMQListener<OrderMessage> {

    @Autowired
    private IOrderInfoService orderInfoService;

    @Autowired
    private RocketMQTemplate rocketMQTemplate;

    @Override
    public void onMessage(OrderMessage orderMessage) {
        log.info("进入到创建订单的消费者中...");
        Long seckillId = orderMessage.getSeckillId();
        Integer time = orderMessage.getTime();
        String token = orderMessage.getToken();
        Long userPhone = orderMessage.getUserPhone();

        //把数据再次封装成消息
        OrderMQResult orderMQResult = new OrderMQResult();
        orderMQResult.setSeckillId(seckillId);
        orderMQResult.setTime(time);
        orderMQResult.setToken(token);
        //定义一个标签 tag
        String tag = "";

        try {
//            int i = 1/0;
            //执行秒杀业务逻辑
            String orderNo = orderInfoService.doSeckill(seckillId, time, userPhone);
            orderMQResult.setOrderNo(orderNo);
            tag = MQConstant.ORDER_RESULT_SUCCESS_TAG;
        }catch (Exception e){
            e.printStackTrace();
            orderMQResult.setCode(SeckillCodeMsg.SECKILL_ERROR.getCode());
            orderMQResult.setMsg(SeckillCodeMsg.SECKILL_ERROR.getMsg());
            tag = MQConstant.ORDER_RESULT_FAIL_TAG;
        }
        // 往 ORDER_RESULT_TOPIC 中发送消息  抢购是成功还是失败
        rocketMQTemplate.sendOneWay(MQConstant.ORDER_RESULT_TOPIC+":"+tag,orderMQResult);
    }
}
